Jersey City

New Jersey Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in New Jersey, the United States of America in December.

Are you planning a trip a to New Jersey, the United States of America in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in New Jersey in December

New Jersey, the United States of America is a region in the United States of America. December in New Jersey generally has cold temperatures, with high precipitation. It's the height of winter.

Temperatures

The average maximum temperatures are cold and range from 5°C (41°F) in Vernon to 10°C (50°F) in Cape May. Nighttime temperatures generally drop to 2°C (36°F) in Cape May and -4°C (25°F) in Vernon.

To learn more about the conditions in specific areas of New Jersey, the United States of America, check out the map below.

Precipitation

In December, precipitation varies across different areas. From high snow/rainfall in Newton with an average of 113 mm (4.4 in) to high snow/rainfall in Toms River with 151 mm (5.9 in). Going by our weather data, it is the wettest month of the year in Seaside Heights.

Average sunshine

Most areas see decent amounts of sunshine this month. Seaside Heights gets around 140 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore New Jersey by month

Pick a month to see the average temperature, rainfall and sunshine in New Jersey — and find the best time to visit. (based on Seaside Heights)

Best Places to Visit in New Jersey in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New Jersey.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in New Jersey

What is the weather like in December for some of the most popular destinations in New Jersey, the United States of America?

Temperature range in New Jersey (December)

Precipitation variation in New Jersey (December)

Seaside Heights

In December Seaside Heights generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 0°C (32°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Min temperature
4°C (39°F)
0°C (32°F)
-4°C (25°F)
Monthly sun hours
149 hours
140 hours
163 hours
Monthly rainfall
87 mm (3.4 in)
140 mm (5.5 in)
95 mm (3.7 in)
Monthly rainy days
10 days
12 days
11 days
Weather conditions

Cape May

In December Cape May generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Min temperature
6°C (43°F)
2°C (36°F)
-2°C (28°F)
Monthly rainfall
79 mm (3.1 in)
120 mm (4.7 in)
77 mm (3 in)
Monthly rainy days
9 days
11 days
10 days
Weather conditions

Mount Laurel

In December Mount Laurel generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 0°C (32°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Min temperature
3°C (37°F)
0°C (32°F)
-4°C (25°F)
Monthly sun hours
155 hours
140 hours
153 hours
Monthly snow/rainfall
78 mm (3.1 in)
128 mm (5 in)
93 mm (3.7 in)
Monthly rainy days
10 days
12 days
10 days
Weather conditions

Newark

In December Newark generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 0°C (32°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
13°C (55°F)
8°C (46°F)
4°C (39°F)
Min temperature
4°C (39°F)
0°C (32°F)
-4°C (25°F)
Monthly sun hours
153 hours
141 hours
161 hours
Monthly rainfall
76 mm (3 in)
128 mm (5 in)
89 mm (3.5 in)
Monthly rainy days
8 days
11 days
11 days
Weather conditions

Princeton

In December Princeton generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around -2°C (28°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
13°C (55°F)
8°C (46°F)
4°C (39°F)
Min temperature
2°C (36°F)
-2°C (28°F)
-6°C (21°F)
Monthly sun hours
149 hours
140 hours
163 hours
Monthly snow/rainfall
77 mm (3 in)
126 mm (5 in)
88 mm (3.5 in)
Monthly rainy days
9 days
12 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in New Jersey, in the United States of America.

Popular cities in December

Day & night temperatures, rainfall and average weather in New Jersey in December.

City Weather Day temp Night temp Rainfall
Seaside Heights 9°C (48°F) 0°C (32°F) 140 mm (5.5 in)
Cape May 10°C (50°F) 2°C (36°F) 120 mm (4.7 in)
Mount Laurel 9°C (48°F) 0°C (32°F) 128 mm (5 in)
Newark 8°C (46°F) 0°C (32°F) 128 mm (5 in)
Princeton 8°C (46°F) -2°C (28°F) 126 mm (5 in)
Parsippany 7°C (45°F) -2°C (28°F) 126 mm (5 in)

New Jersey weather in December: frequently asked questions

What is the weather like in New Jersey, the United States of America in December?

Expect poor weather across New Jersey, the United States of America in December. The popular destination of Seaside Heights averages 9°C (48°F) by day and 0°C (32°F) at night during this winter month.

What is the average temperature in New Jersey, the United States of America in December?

In Seaside Heights, the average daytime high in December is 9°C (48°F), while nighttime temperatures drop to around 0°C (32°F).

Does New Jersey, the United States of America get a lot of rain in December?

Yes, December tends to be a wetter month in New Jersey, the United States of America. Average rainfall in Seaside Heights sits around 140 mm (5.5 in).

Is December a Good Time to Visit New Jersey, the United States of America?

In our view, December might not be the best time to travel to New Jersey, the United States of America with often poor weather in Seaside Heights.

Generally speaking, May and July provide perfect weather in Seaside Heights. On the other hand, the months of January, February, March and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in New Jersey.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.